Measurements:
°C
°F
Rota
84°F
SW 9 mph
Feels like: 96°F
Precip: 27%
World Resorts Northern Mariana Islands Rota Weather

Rota Sea Water Temperature

Current Sea Water Temperature:
+89.4°F
Maximum Sea Water Temperature in August: 92.8°F
Minimum Sea Water Temperature in August: 87.0°F
Average water temperature in August: 89.5°F

Sea Water Temperature for the Last 10 Days:

August 19 89.4°F August 14 89.0°F
August 18 89.4°F August 13 88.6°F
August 17 89.2°F August 12 88.6°F
August 16 89.2°F August 11 88.6°F
August 15 89.0°F August 10 88.8°F

When is the Warmest Sea for Rota?

According to our data for the last three years for Rota the highest average sea water temperature was in September, August and July.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Rota was 89.5°F. The maximum and minimum values were 88.4°F and 90.2°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Rota was 89.2°F. The maximum and minimum values were 88.6°F and 90.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Rota was 88.2°F. The maximum and minimum values were 86.2°F and 90.0°F respectively.

Best Time to Visit Rota
The most sunny months:
July 5 days
August 4 days
September 4 days
The most warm months:
August 90.4 °F
July 90.1 °F
June 89.8 °F
Warmest sea temperature:
September 89.5 °F
August 89.5 °F
July 89.3 °F
The most cold months:
February 85.5 °F
March 86.1 °F
January 86.4 °F
The most rainy months:
October 14 days
August 13 days
July 12 days
The most windy months:
December 19 mph
February 19 mph
January 18 mph

Rota on the Weather Map

Northern Mariana Islands Resorts:
NAME
Guam +84
Rota +84
Saipan +88
Susupe +88
Tinian +88
24 Hours Weather Forecast
Rota
Local time: 00:16
20 aug, thursday
0300 84°F
S
8 mph
0600 84°F
SW
8 mph
0900 86°F
SW
9 mph
1200 86°F
SW
11 mph
1500 86°F
SW
10 mph
1800 86°F
SW
10 mph
2100 86°F
SW
8 mph
21 aug, friday
0000 84°F
SW
7 mph